roco train model internal combustion engine ho 1 87 70921 fourth generation t478 digital sound effect red model
Electronic Digital Target Toy Track Auto-Reset Intelligent Light Sound Effect Scoring Target Shooting Game Toy Gun Parts Darts
2462 Руб.
AN127 Invisible In-Ear Hearing Aid Sound Amplifier For The Elderly And Hearing Impaired(Red Right Ear)
18 Руб.
40/100/160KHZ 600W Multiple Frequency Ultrasonic Sound Cleaning Vibration Generator Box For Cleaning Automobile Engine
36484 Руб.
Описание:
1. This hearing aid is specially designed for the elderly or people with hearing problems, suitable for those people or patients with hearing loss.2. Low power consumption, high fidelity, high-quality chips, and invisible flesh-colored surface will not appear incongruous in the crowd.3. With volume control function, the volume can be adjusted to meet your own needs and preferences.4. Built-in battery power supply, smaller, simpler, more convenient, more powerful and more stable.5. With digital circuit and automatic noise reduction technology, the sound is natural and brings you a comfortable experience.6. Ergonomic earplug design, even if you wear it for a long time, you will not feel pain. Specification:1. Material: plastic 2. Battery: 1 A10 battery, 1.4V, 1.2mA3. Maximum sound output: 122+/-3dB4. Sound gain: greater than or equal to 28dB+/-2dB5. Total harmonic distortion: less than or equal to 3%6. Frequency range: 300-4800MHz 7. Input noise: less than or equal to 26dBCaution: To avoid accidental swallowing by children, keep small parts out of reach of children